On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 38 on 2014-10-07
In Chrome Android version 38 on 2014-10-08
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 13 on 2012-06-05
In Firefox for Android version 14 on 2012-06-26
In Internet Explorer version 11 on 2013-10-17
Not in Node.js
In Quest Browser version 5.0 on undefined
In Opera version 25 on 2014-10-15
In Opera Android version 25 on 2014-10-16
In Safari version 8 on 2014-10-16
In Safari on iOS version 8 on 2014-09-17
In Samsung Internet version 3.0 on 2015-04-10
In WebView Android version 38 on 2014-10-08